Students hold a protest banner during a demonstration against the results of the first round of the French presidential election on April 27, 2017 in Paris. Demonstration against the presidential elections and the candidates of the second round, Marine Le Pen and Emmanuel Macron. One thousand people marched through the streets of Lyon on April 27, 2017, France, before being dispersed by the police. (Photo by Julien Mattia/NurPhoto via Getty Images)

Students hold a protest banner during a demonstration against the results of the first round of the French presidential election on April 27, 2017 in Paris. Demonstration against the presidential elections and the candidates of the second round, Marine Le Pen and Emmanuel Macron. One thousand people marched through the streets of Lyon on April 27, 2017, France, before being dispersed by the police. (Photo by Julien Mattia/NurPhoto via Getty Images)

A man kicks back a tear gas canister at police in Paris on April 27, 2017 during a demonstration against the results of the first round of the presidential election.(Photo by Julien Mattia/NurPhoto via Getty Images)

Students hold a protest banner during a demonstration against the results of the first round of the French presidential election on April 27, 2017 in Paris. Demonstration against the presidential elections and the candidates of the second round, Marine Le Pen and Emmanuel Macron. One thousand people marched through the streets of Lyon on April 27, 2017, France, before being dispersed by the police. (Photo by Nicolas Liponne/NurPhoto via Getty Images)

Students hold a protest banner during a demonstration against the results of the first round of the French presidential election on April 27, 2017 in Paris. Demonstration against the presidential elections and the candidates of the second round, Marine Le Pen and Emmanuel Macron. One thousand people marched through the streets of Lyon on April 27, 2017, France, before being dispersed by the police. (Photo by Nicolas Liponne/NurPhoto via Getty Images)